Square Roots: Couple of Practical Problems Involving Square Roots, A
This clip presents practical square root problems involving a garden and swimming pools. It explains that if we know the area of a square, we can figure out its side, because the side must be the square root of the area.
Square Roots: Point About Square Roots of Non-Whole Numbers, A
This clip explains that the square roots of non-whole numbers aren't terminating or repeating decimals. "They just keep going in a mixed up sort of way with no pattern at all," the clip states.
Square Roots: Square Roots Increase More Slowly Than Their Squares
This clip references the square roots of 50 and 100 to make the point that square roots increase more slowly than their squares.
Square Roots: Defining and Finding Squares and Square Roots
This clip explains that the square of a number is the product of that number multiplied by itself. The clip then explains the relationship between a number and its square root, noting that the number 1 is its own square root.
Triangles: Introduction to Triangles
This clip talks about the ways in which triangles are used in various professions. It also introduces the different types of triangles (equilateral, scalene and isosceles).
Exponents: Square Roots and Other Terms
This clip reviews key terms introduced in this lesson, including base, exponent, power and squared. The clip then introduces the concept of square root, noting that its symbol looks like a division symbol with a hook in front.
Exponents: Squares and Cubes
This clip explains that when a number is expressed to the power of 2, it is often stated as that number squared. In much the same way, when a number is expressed to the power of 3, it can also be stated as that number cubed.
Area and Volume: Finding the Area of a Rectangle
This clip explains what a rectangle is and how to determine its area. "The formula is easy to remember," the clip states. "The area of a rectangle is equal to the length times the width." Three practical problems follow that are solved by utilizing ...
Area and Volume: Finding the Area of a Square
This clip explains that a square is a special kind of rectangle whose 4 sides are the same length. The clip states that the formula for finding the area of a square is: "Area equals s squared." The clip includes two practical problems.
Square Roots: Using a Square Root Table
This clip explains that all numbers have a square root, but not all square roots are whole numbers; many are decimals. The clip then states that, "Â…there are ways to figure out square roots, but none of them are very pleasant, and people hardly eve...